STUDIES ON THE RELATIONSHIPS BETWEEN ECOLOGICAL CONDITONS AND GROWTH AND DEVELOPMENT OF OLIVE TREE IN THE SOUTH OF SHAANXI PROVINCE Spatial characteristics of soil moisture and organic matter and light in Pinus tabulaeformis forest and Quercus liaotungensis forest on Dongling Mountain, Beijing, China Effects of Fruiting Branch Position, Temperature-Light Factors and Nitrogen Rates on Cotton (Gossypium hirsutum L.) Fiber Elongation Relationship between ecological conditions and spruce growth on sandy land EFFECTS OF LIGHT FACTORS ON SOLUBLE PROTEINS AND ENZYMES ACTIVITIES DURING GALLUS GROWTH OF ASPARGUS OFFICINALIS L.